Tierra may refer to:
- Earth in the Spanish and Asturian language
Computing and games
- Tierra (computer simulation), a computer simulation of life by the ecologist Thomas S. Ray
- Tierra Entertainment, now known as AGD Interactive, a non-profit game company specializing in remakes of classic adventure games by Sierra Entertainment
- Tierra (film), a 1996 movie by the Spanish filmmaker Julio Medem
- Tierra (group), a Latin R&B band from the 1970s and 1980s
- Tierra, album by Tierra 1973
- Tierra (L'Arc-en-Ciel album), a 1994 album by the Japanese rock band L'Arc-en-Ciel
- Tiara, a type of crown or headpiece
disambiguation page lists articles associated with the title Tierra.
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